{
    "schema_version": 1,
    "license": "CC BY 4.0",
    "citation": "Kuzeyhan Demir, ASAMB, Hex vs base64url encoding for 192-bit random tokens, measurement run 2026-07-22T15:23:56+00:00",
    "environment": {
        "generated_at": "2026-07-22T15:23:56+00:00",
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        "architecture": "x86_64",
        "cpu": "AMD EPYC-Rome Processor",
        "memory": "15.02 GiB host total",
        "opcache_cli": "0",
        "memory_limit": "1024M",
        "extensions": [
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        "timezone": "UTC",
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        "rounds": 7
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    "study": {
        "slug": "random-token-encoding",
        "iterations_per_sample": 1100,
        "rounds": 7,
        "winner": "Hex token",
        "slowest": "Base64url token",
        "spread_percent": 18.43,
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